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One of the repeating contractile segments into which a myofibril is divided, composed of actin and myosin filaments and giving striated muscle its distinctive bands.


(Anatomy) any of the units that together comprise skeletal muscle


(ˈsɑr kəˌmɪər)

any of the segments of myofibril in striated muscle fibers.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sarcomere - one of the segments into which a myofibril is divided
myofibril, myofibrilla, sarcostyle - one of many contractile filaments that make up a striated muscle fiber
segment - one of the parts into which something naturally divides; "a segment of an orange"
References in periodicals archive ?
Sarcomere shortening of prerigor muscles and its influence on drip loss.
Another mechanism may be due to local tissue damage by sarcomere deterioration in the Z-line (27).
9] This leads to impaired relaxation of the sarcomere and consequently HFnEF.
Developmental changes in the ultrastructure and sarcomere shortening of the isolated rabbit ventricular myocyte.
Individual sarcomere length determination from isolated cardiac cells using high-resolution optical microscopy and digital image processing.
Sarcomere shortening would be achieved by sliding gradually towards actin filament inside the disc dark.
The magnitude of muscle strain does not influence serial sarcomere number adaptations following eccentric exercise.
Researchers continue to develop and test the technology by using it to determine the cardiac disease state of patients with specific mutations in a sarcomere encoding gene.
Rescue of familial cardiomyopathies by modifications at the level of sarcomere and Ca2+ fluxes.
The cardiac pathology of the disease is related to myocyte hypertrophy and sarcomere irregularity [1].